1 files changed, 75 insertions, 0 deletions
diff --git a/tests/test_roles.py b/tests/test_roles.py
new file mode 100644
index 0000000..67a13c8
--- /dev/null
+++ b/tests/test_roles.py
@@ -0,0 +1,75 @@
+"""Test sphinx.roles"""
+
+from unittest.mock import Mock
+
+from docutils import nodes
+
+from sphinx.roles import EmphasizedLiteral
+from sphinx.testing.util import assert_node
+
+
+def test_samp():
+    emph_literal_role = EmphasizedLiteral()
+
+    # normal case
+    text = 'print 1+{variable}'
+    ret, msg = emph_literal_role('samp', text, text, 0, Mock())
+    assert_node(ret[0], [nodes.literal, ("print 1+",
+                                         [nodes.emphasis, "variable"])])
+    assert msg == []
+
+    # two emphasis items
+    text = 'print {1}+{variable}'
+    ret, msg = emph_literal_role('samp', text, text, 0, Mock())
+    assert_node(ret[0], [nodes.literal, ("print ",
+                                         [nodes.emphasis, "1"],
+                                         "+",
+                                         [nodes.emphasis, "variable"])])
+    assert msg == []
+
+    # empty curly brace
+    text = 'print 1+{}'
+    ret, msg = emph_literal_role('samp', text, text, 0, Mock())
+    assert_node(ret[0], [nodes.literal, "print 1+{}"])
+    assert msg == []
+
+    # half-opened variable
+    text = 'print 1+{variable'
+    ret, msg = emph_literal_role('samp', text, text, 0, Mock())
+    assert_node(ret[0], [nodes.literal, "print 1+{variable"])
+    assert msg == []
+
+    # nested
+    text = 'print 1+{{variable}}'
+    ret, msg = emph_literal_role('samp', text, text, 0, Mock())
+    assert_node(ret[0], [nodes.literal, ("print 1+",
+                                         [nodes.emphasis, "{variable"],
+                                         "}")])
+    assert msg == []
+
+    # emphasized item only
+    text = '{variable}'
+    ret, msg = emph_literal_role('samp', text, text, 0, Mock())
+    assert_node(ret[0], [nodes.literal, nodes.emphasis, "variable"])
+    assert msg == []
+
+    # escaping
+    text = r'print 1+\{variable}'
+    ret, msg = emph_literal_role('samp', text, text, 0, Mock())
+    assert_node(ret[0], [nodes.literal, "print 1+{variable}"])
+    assert msg == []
+
+    # escaping (2)
+    text = r'print 1+\{{variable}\}'
+    ret, msg = emph_literal_role('samp', text, text, 0, Mock())
+    assert_node(ret[0], [nodes.literal, ("print 1+{",
+                                         [nodes.emphasis, "variable"],
+                                         "}")])
+    assert msg == []
+
+    # escape a backslash
+    text = r'print 1+\\{variable}'
+    ret, msg = emph_literal_role('samp', text, text, 0, Mock())
+    assert_node(ret[0], [nodes.literal, ("print 1+\\",
+                                         [nodes.emphasis, "variable"])])
+    assert msg == []